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FIGURE 8

TEMPERATURE COMPENSATION

THERMISTOR

OUTDOOR FAN, BRACKET AND

#" 

 "

 "

" !"

I-Service Li ht Thermostat

// 81-76 %5) )48-33)( :-7, % 6)59-') /-+,7 7,)50267%7

02817)( 21 7,) '2035)6625 (-6',%5+) /-1) ",) 6:-7',

-6 )/)'75-'%//< '211)'7)( 72 7,) 6)59-') /-+,7 -1 7,) -1(225

7,)50267%7 ",) 6:-7', -6 '/26)( 21 '2035)6625 67%5783

%1( 7,) 7,)50267%7 6)59-') /-+,7 -6 020)17%5-/< /-+,7)(

$,)1 '2035)6625 (-6',%5+) /-1) 7)03)5%785) 5)%',)6

_ 7,) 7,)50267%7 23)16 %1( 7,) 6)59-') /-+,7

+2)6 2**

* (-6',%5+) /-1) 7)03)5%785) (5236 &)/2: _ (85?

-1+ 81-7 23)5%7-21 -1(-'%7-1+ % 352&/)0 -1 7,) 6<67)0

7,) 7,)50267%7 '/26)6 %1( 7,) 6)59-') /-+,7 -6 32:)5)( 72

-1(-'%7) 6)59-') -6 1))()(

J-Dual Capacitor

",) '2035)6625 %1( *%1 -1  %1(

 6)5-)6 81-76 86) 3)50%1)17 63/-7 '%3%'-725 027256

 6-1+/) >(8%/ '%3%'-725 -6 86)( *25 &27, 7,) *%1 02725

%1( 7,) '2035)6625 6)) 81-7 :-5-1+ (-%+5%0 ",) *%1

6-() 2* 7,) '%3%'-725 %1( 7,) '2035)6625 6-() 2* 7,) '%?

3%'-725 ,%9) (-**)5)17 0*( 5%7-1+6 ",) '%3%'-725 -6 /2?

'%7)( -16-() 7,) 81-7 '21752/ &2; 6)) *-+85)  "%&/) 

6,2:6 7,) 5%7-1+6 2* 7,) (8%/ '%3%'-725

TABLE 2

Units MFD VAC

HP22 DUAL CAPACITOR RATING

























Terminal



 



 



 



 



K-Defrost Thermostat

 ()*5267 7,)50267%7 -6 02817)( 21 7,) /-48-( /-1) &)?

7:))1 7,) *-/7)5(5-)5 %1( 7,) (-675-&8725 ",) 7,)50267%7

23)16 %7 _ %1( '/26)6 %7 _ 25 ()*5267 72

&)+-1 7,) ()*5267 7,)50267%7 0867 &) '/26)( :,)1 7,)

()*5267 7-0)5 '%//6 *25 ()*5267

L-Reversin Valve and Solenoid

 5)*5-+)5%17 5)9)56-1+ 9%/9) :-7, )/)'7520)',%1-'%/ 62/)?

12-( -6 86)( 72 5)9)56) 5)*5-+)5%17 */2: (85-1+ 81-7 23)5%?

7-21 ",) 5)9)56-1+ 9%/9) -6 )1)5+-=)( (85-1+ '22/-1+ ()?

0%1( %1( (85-1+ ()*5267 )*)5 72 *-+85)6  %1(  *25

025) -1*250%7-21

M-Defrost Timer

",)  ()*5267 '21752/ *-+85)  -6 % 62/-( 67%7) '21752/

0%18*%'785)( &< %0-/721 !7%1(%5( ",) '21752/ 352?

9-()6 %8720%7-' 6:-7',-1+ *520 1250%/ ,)%7-1+ 23)5%7-21

72 ()*5267 02() %1( &%'. ",) '21752/ 3529-()6  0-1?

87) ()*5267 3)5-2(6 %7   25  0-187) *-)/( ',%1+)?

%&/) -17)59%/6 ",) '21752/ 021-7256 7,)50267%7 ()0%1(

%1( ,2/(6 7,) 7-0)5 -1 3/%') &)7:))1 7,)50267%7 ()?

0%1(  6)7 2* (-%+1267-' 3-16 %5) %/62 3529-()( *25 7528?

&/)6,227-1+ 7,) 81-7

!)/-

FIGURE 9

OLID TATE DEFRO T TIMER

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$"#

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65 ;0- +65;963: +19+<1; *6)9, '0-5 ;0- ,-.96:; ;0-946B

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  69  415<;- ,-7-5,15/ 65 06> ;0- +65;963 1: 79-B

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1: -5-9/1A-, )5, ,-.96:; *-/15:

Defrost Control Components

1-Timing Pins 30(T1), 60(T2), 90(T3)

)+0 6. ;0-:- 715: 796=1,-: ) ,1..-9-5; ;14-, 15;-9=)3

*-;>--5 ,-.96:;:  2<47-9 +655-+;: ;0- 715: ;6 +19B

+<1; *6)9, 715 ' $)*3-  :06>: ;0- ;1415/: 6. -)+0

715 $0- ,-.96:; 15;-9=)3 +)5 *- .1-3, +0)5/-, ;6 

 69  415<;-: $0- ,-.96:; 7-916,  415<;-:

+)556; *- +0)5/-, $6 +0)5/- ;0- 15;-9=)3 *-;>--5

,-.96:;: :1473@ 9-46=- ;0- 2<47-9 .964 ;0- 715 1; 1:

+655-+;-, ;6 )5, 9-+655-+; ;0- 2<47-9 ;6 65- 6. ;0-

6;0-9 )=)13)*3- 715: :-- .1/<9- 

2-Timing Jumper

$0- ;1415/ 2<47-9 1: ) .)+;69@ 15:;)33-, 2<47-9 65 ;0-

+19+<1; *6)9, <:-, ;6 +655-+; 715 ' ;6 65- 6. ;0-

;09-- ;1415/ 715: $0- 2<47-9 4)@ *- +655-+;-, ;6

)5@ 65- 6. ;0- ;1415/ 715: *<; 4<:; 5-=-9 *- +65B

5-+;-, ;6 -1;0-9 6. ;0- ($#$ 715: #-- )<;165

TABLE 3

DEFRO T

CONTROL CMC

TIMING

INTERVAL BETWEEN

JUMPER CONNECTED TO:

DEFRO T

TIME

30 (T1) 60 (T2) 90 (T3)

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!"$ 

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         

   

# # # #

$ $"

DEFRO T WITH

CAUTION - DO NOT CONNECT TIMING JUMPER TO

EITHER `T T' PIN. `T T' PIN ARE U ED ONLY DURĆ

ING A TE T AND MU T NOT CONNECT WITH ANY OF

THE TIMING PIN . CONTROL DAMAGE WILL REĆ

ULT.

FIGURE 10

WARNING - AVOID CONTACT WITH OTHĆ

ER CONTROL TERMINAL OR CONTROL

COMPONENT .

WARNING - DO NOT CONNECT TIMĆ

ING JUMPER TO EITHER `T T' PIN.

TO CHANGE CONTROL TIMING :

 $<95 6.. )33 76>-9 ;6 ;0- <51; ;6 )=61, ,)4)/15/ ;0- +19+<1;

*6)9,

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  7<33 +655-+;69 .964 715

 #-3-+; 5-> ;1415/ 715   $ #$  ($#$ !

 -5;3@ 7<:0 +655-+;69 65;6 ,-:19-, 715 :-- $)*3-  .69 ;14B

15/: 655-+;69 1: :-);-, >0-5 715 :5)7:

 $<95 65 76>-9 ;6 <51;

NEEDLE-NO E

PLIER

3-`24V' Terminal

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.694-9 ;096</0 ;0- ,-.96:; ;0-946:;); $01: ;-9415)3

76>-9: ;0- +65;963: 15;-95)3 ;14-9 )5, 9-3)@: $-941B

5)3 (& 1: 76>-9-, 653@ >0-5 ;0-9- 1: ) +)33 .69 ,-B

.96:; ,-.96:; ;0-946:;); +36:-, $0- ;14-9 *-/15:

;1415/ );  653@ ).;-9 ;-9415)3 (& 9-+-1=-: 76>-9

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 ! ! !!

 ! $

! !! 

 ! ! !!

 ! $

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 ! ! !!

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! !! 

 ! ! !!

 ! $

HP22 SERIES UNITS

TYPICAL DEFROST TIMINGS

NORMAL HEATING OPERATION:

DEFROST TERMINATED BY DEFROST THERMOSTAT

NORMAL HEATING OPERATION:

DEFROST TERMINATED BY TIME

NORMAL HEATING OPERATION

INTERRUPTED BY THERMOSTAT DEMAND: `HOLD' FUNCTION

DEFROST PERIOD INTERRUPTED BY THERMOSTAT DEMAND:

`HOLD' FUNCTION

 "!

% !

  " % !

 "!

 ! ! !!

 #!  "!

 "!    "!

 "! " % !

Note - Control begins timing at 0 when defrost thermostat closes. Defrost is

terminated when defrost relay is de-energized. Anytime defrost thermostat

opens, defrost relay is immediately de-energized, defrost timer resets and

`HOLD' f nction stops.

 ! ! !!

" !   

 ! ! 

 %

 ! ! !!

" !   

 ! ! 

 %

FIGURE 12

IV-REFRIGERANT SYSTEM

A-Plum ing

.*/) 5*+5.,*5&17 3.3.1, (216.676 2+ /.48.) &1) 9&325 /.1*6

+520 7-* 287)225 81.7 6:*&7 (211*(7.216 "6* *112;

 6*5.*6 /.1* 6*76 &6 6-2:1 .1 7&'/*  25 +.*/) +&'5.(&7*)

5*+5.,*5&17 /.1*6 *+*5 72 7-* 3.3.1, 6*(7.21 2+ 7-* *112;

*59.(* "1.7 1+250&7.21 &18&/  " +25 3523>

*5 6.=* 7<3* &1) &33/.(&7.21 2+ +.*/)+&'5.(&7*) /.1*6

MODEL NO. LIQUID VAPOR L10

LINE LINE LINE SETS

  .1  .1 

 +7   +7



  .1  .1 

 +7   +7

  .1  .1 

 +7   +7

TABLE 4

'-+

 ).+)0 ;'1;+ '3* +=5'38/43 ;'1;+ '7+ :8+* /3 5'7'11+1 /3

9.+ 1/6:/* 1/3+ !.+ ).+)0 ;'1;+ /8 )148+* <.+3 9.+ :3/9 /8

/3 .+'9/3- 24*+ 94 ,47)+ 7+,7/-+7'39 9.74:-. 9.+ +=5'3?

8/43 ;'1;+ !.+ ).+)0 ;'1;+ /8 45+3 <.+3 9.+ :3/9 /8 /3

)441/3- 24*+

+5'7'9+ */8).'7-+ '3* 8:)9/43 8+7;/)+ 54798 '7+ 574?

;/*+* '9 9.+ )4257+8847 ,47 )433+)9/43 4, -':-+ 2'3?

/,41* *:7/3- ).'7-/3- 574)+*:7+ /-:7+8  '3*  8.4<

 -':-+ 2'3/,41* )433+)9/438

B-Service Valves

!.+ 1/6:/* 1/3+ '3* ;'547 1/3+ 8+7;/)+ ;'1;+8 '3* -':-+

54798 '7+ '))+88/(1+ 43 9.+ /38/*+ 4, 9.+ :3/9 !.+ 43+

8.49 ;'547 1/3+ 8+7;/)+ ;'1;+ ,/-:7+  )'3349 (+ )148+*

43)+ /9 .'8 (++3 45+3+* !.+8+ -':-+ 54798 '7+ :8+* ,47

1+'0 9+89/3- +;'):'9/3- ).'7-/3- '3* ).+)0/3- ).'7-+

 8+5'7'9+ -':-+ 5479 /8 574;/*+* ,47 ).+)0/3- 9.+ 8:)?

9/43 57+88:7+ <.+3 9.+ :3/9 /8 /3 9.+ .+'9/3- )>)1+

VAPOR LINE VALVE

 "

## &

 "   !

#  ## 

  !&

!   

$ "!

##  

## 

FIGURE 13

COOLING CYCLE

!  774<8 /3*/)'9+ */7+)9/43 4, 7+,7/-+7'39 ,14< /3 )441/3- 24*+

!!

FIGURE 14

$

# 

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" 

 "!

# 

##

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% 

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!

$! !

 ##

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"

 

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