background image

38

SPLIT SYSTEMS

AIR CONDITIONING AND HEAT PUMP HOMEOWNER’S

 

ROUTINE MAINTENANCE RECOMMENDATIONS

We strongly recommend a bi-annual maintenance checkup be performed

before the hea

ting

 and cooling seasons begin by a 

quali

fie

se

rvic

e

r

.

R

EPLACE OR

 C

LEAN

 F

ILTER

IMPORTANT NOTE: 

Never operate unit without a 

lter installed as

dust and lint will build up on internal parts re

sul�ng

 in loss of

e

fficienc

y, equipment dama

g

e and possible 

re.

An indoor air 

fil

ter must be used with your 

c

omfort system. A

properly maintained 

filter

 will keep the indoor 

coil

 of your 

com-

fort system 

clean.

 A dirty 

coil

 

could

 

cause

 poor 

opera�on

 and/or

severe equipment dama

ge

.

Your air 

lter or 

lters 

c

ould be lo

c

ated in your furna

ce,

 in a

blower unit, or in 

“filter

 

grilles”

 in your 

ceiling

 or walls. The 

in-

staller of your air 

condi�oner

 or heat pump 

can

 tell you where

your 

filter(s)

 are, and how to 

clean

 or 

replace

 them.

Check

 your 

lt

er(s)

 at least 

once

 a month. When they are dirty,

repl

ace

 or 

c

lean as required. Disposable type 

fil

ters should be

replaced.

 Reusable type 

filters

 may be 

cleaned.

You may want to ask your dealer about 

high

 e

fficiency

 

lters. 

High

e

ffic

ien

cy

 

fil

ters are available in both el

ectr

oni

c

 and non

-e

l

ec-

tronic

 types. These 

filters

 

can

 do a 

be�er

 job of 

catching

 small

airborne par

�cl

es.

C

OMPRESSOR

The 

comp

ressor motor is herme

�call

y sealed and does not re

-

quire 

addi�onal

 

oiling

.

M

OTORS

Indoor and outdoor fan motors are permanently 

lubricated

 and

do not require 

addi�onal

 

oiling.

C

LEAN

 O

UTSIDE

 C

OIL

 (Q

UALIFIED

 S

ERVICER

 O

NLY

)

Air must be able to 

flow

 

through

 the outdoor unit of your 

comfort

system. Do not 

construct

 a 

fence

 near the unit or build a 

deck

 or

pa�o

 over the unit without 

first

 

discussing

 your plans with your

dealer or other 

qualifi

ed ser

vice

r. Res

tric

ted 

airflow

 

c

ould lead to

poor 

opera�on

 and/or severe equipment 

damage.

Likewise, it is important to keep the outdoor 

c

oil 

c

lean. Dirt, leaves,

or debris could also 

res

trict the airflo

w

. If cl

e

aning of the outdoor

co

il be

c

omes 

nec

essary, hire a quali

ed servi

ce

r. Inexperi

enc

ed

people 

could

 easily 

puncture

 the 

tubing

 in the 

coil.

 Even a small

hole in the 

tubing

 

could

 eventually 

cause

 a 

large

 loss of 

refriger-

ant. Loss of 

refrigerant

 

can

 

cause

 poor 

opera�on

 and/or severe

equipment 

damage

.

Do not use a 

condensing

 unit 

cover

 to 

“protect”

 the outdoor unit

during

 the winter, unless you 

rst 

discuss

 it with your  dealer. Any

c

over used must in

c

lude “breathable

 fabri

c

 to avoid moisture

buildup.

Check

 the thermostat to 

confirm

 that it is properly set.

Wait 15 minutes. Some 

devices

 in the outdoor unit or in

pro

gr

ammable  thermostats  will  prevent 

comp

ressor

opera

�on

 for awhile, and then reset automa

�c

ally. Also,

some power 

companies

 will install 

devices

 

which

 shut 

off

air 

c

ondi

�on

ers for several minutes on hot days. If you

wait several minutes, the unit may 

begin

 

opera�on

 on its

own.

T

O AVOID THE RISK OF EQUIPMENT DAMAGE OR FIRE

,

INSTALL

THE SAME AMPERAGE BREAKER OR FUSE AS YOU ARE

REPLACING

.  I

F THE CIRCUIT BREAKER OR FUSE SHOULD OPEN

AGAIN WITHIN THIRTY DAYS

,

CONTACT A QUALIFIED SERVICER

TO CORRECT THE PROBLEM

.

I

F YOU REPEATEDLY RESET THE BREAKER OR REPLACE

THE FUSE WITHOUT HAVING THE PROBLEM CORRECTED

,

YOU RUN THE RISK OF SEVERE EQUIPMENT DAMAGE

.

B

EFORE

 C

ALLING

 Y

OUR

 S

ERVICER

Che

c

k the ele

ct

r

ical

 panel  for tripped 

ci

r

cuit

 breakers  or

failed fuses. Reset the 

circuit

 breakers or 

replace

 fuses as

ne

c

essary.

Check

 the 

disconnect

 

switc

h near the indoor 

furnace

 or

blower to 

confirm

 that it is 

closed.

Check

 for 

obstruc�ons

 on the outdoor unit . 

Confirm

 that it

has not been covered on the sides or the top. Remove any

obstru

c�on

 that 

ca

n be safely  removed. If  the unit is

covered

 with dirt or debris, 

call

 a 

qualified

 

servicer

 to 

clean

it.

Ch

eck

 for blo

ck

a

ge

 of the indoor air inlets and outlets.

Confirm

 that they are open and have not been 

blocked

 by

objects

 

(rugs,

 

curtains

 or 

furniture).

Che

c

k the 

lter. If it is dirty, 

cl

ean or r

eplace

 it.

Listen for any unusual noise

(

s

)

, other than normal opera

�ng

noise, that 

might

 be 

coming

 from the outdoor unit.   If you

hear unusual 

noise(s)

 

coming

 from the unit, 

call

 a 

qualified

serv

ic

er.

Summary of Contents for Amana VZC20

Page 1: ...following symbols and labels are used throughout this manual to indicate immediate or potential safety hazards It is the owner s and installer s responsibility to read and comply with all safety info...

Page 2: ...4 Refrigerant Lines 5 Leak Testing Nitrogen Or Nitrogen Traced 7 Electrical Connections 8 System Start Up Procedure 10 Coolcloud Hvac Phone Application 11 Comfortbridge System 13 Heat Pump Advanced F...

Page 3: ...cing a condensing unit heat pump or air handler the system must be manufacturer approved and Air Conditioning Heating and Refrigeration Institute AHRI matched NOTE The installation of an inverter heat...

Page 4: ...his unit on a roof structure ensure the roof structure can support the weight and that proper consideration is given to the weather tight integrity of the roof Since the unit can vibrate during operat...

Page 5: ...through an area that may reach temperatures of 30 F or higher than ambient in cooling mode and or if the temperature inside the conditioned space may reach a temperature lower than ambient in heating...

Page 6: ...6...

Page 7: ...refrigerant lines Kinked or dented lines will cause poor performance or compressor damage Do NOT make final refrigerant line connection until plugs are removed from refrigerant tubing Standing Pressu...

Page 8: ...leak free proceed to system charging and startup 4 If pressure rises above 1000 microns but holds steady below 2000 microns non condensable air or moisture may remain or a small leak is present Retur...

Page 9: ...see the production specification sheet or the unit serial plate must be provided for connection of the unit This circuit must be protected with the required safety devices When using residual current...

Page 10: ...ER CAUTION ENSURE VALVES ARE OPEN AND ADDITIONAL CHARGE IS ADDED BEFORE APPLYING POWER CAUTION Type of Elbow Fittings 3 4 7 8 1 1 8 90 short radius 1 7 2 2 3 90 long radius 1 5 1 7 1 6 45 0 7 0 8 1 In...

Page 11: ...re starting the CHARGE MODE turn off the Cool or Heat mode and electric heater or gas furnace a Inverter units are charged by any of the following methods setting the CR9 menu Charge Mode to ON throug...

Page 12: ...subcooling 8 F 1 F 1 then check the superheat NOTE It is recommended to add charge in 4 oz increments each time to achieve the target subcooling CHECK THE SCHRADER PORTS FOR LEAKS AND TIGHTEN VALVE CO...

Page 13: ...ification terminal Without this type of thermostat dehumidification operation does not work Dehumidification requires a thermostat capable of reading the indoor humidity level and allowing the user to...

Page 14: ...on test is enabled from this menu which enables a functional check of the equipment in addition to ensuring proper stop valve position Cool Set up The system allows for the adjustment of several cooli...

Page 15: ...an attempt to better achieve desired humidity levels When Dehumidification mode exists the circulating fan output is reduced increasing system run time over cooling the evaporator coil and ultimately...

Page 16: ...ted and additional heating is not requested and additional heating is not required All other values mean defrost is being requested and additional heat is being requested DEHUMIDIFICATION REQUEST Requ...

Page 17: ...ft above the indoor unit select INDOOR LOWER RESET FOR SYSTEM SET UP NO or YES Selecting yes will reset any system setting to their factory defaults SYSTEM VERIFICATION TEST OFF or ON System Verifica...

Page 18: ...ompressor into defrost mode during an active heat pump heat call Ensure that the heat pump is operating in heat mode before enabling this option HEAT PUMP HEATING TRIM FACTOR HIGH 1 15 to 15 in 5 incr...

Page 19: ...OR MOTOR HIGH LOW PRESSURE TRANSDUCER H LPT HIGH PRESSURE SWITCH HPS DS1 DS2 DIP SWITCH SEG1 SEG3 7 SEGMENT DISPLAY Z1C Z4C FERRITE CORE BS1 BS3 PUSH BUTTON SWITCH RVC REVERSING VALVE COIL M1C COMPRES...

Page 20: ...RD RD BL U V W M1C BK RD YL M1F BK WH RD RD L2B L1B BK NOISE FILTER BOARD L2A L1A RD BK TRANSFORMER 208 240 V 3 1 2 24V L1C L2C TERMINAL BLOCK FIELD WIRING H LPT GND INVERTER BOARD COMPRESSOR TERMINA...

Page 21: ...ICITY FROM YOUR BODY TO PREVENT FAILURE OF THE PC BOARD 3 MEASURE THE RESIDUAL VOLTAGE IN THE SPECIFIED MEASUREMENT POSITION USING A VOM WHILE PAYING ATTENTION NOT TO TOUCH THE CHARGED AREA 4 IMMEDIAT...

Page 22: ...CITY FROM YOUR BODY TO PREVENT FAILURE OF THE PC BOARD 3 MEASURE THE RESIDUAL VOLTAGE IN THE SPECIFIED MEASUREMENT POSITION USING A VOM WHILE PAYING ATTENTION NOT TO TOUCH THE CHARGED AREA 4 IMMEDIATE...

Page 23: ...X X X X X X X X X X ID suction temp is too high X X X X X ID suction temp is too low X X X Mixture of non condensible gas X X X X X X X X OD fan motor failure X X X X X X X RV failure X X X X X X X X...

Page 24: ...too low X X X X X X X X X Mixture of non condensible gas X X X X X X X X X X OD fan motor failure X X X X X X X X X RV failure X X X X X X X X X RV coil failure X X X X X X X X X Over charge X X X X X...

Page 25: ...w pressure faults Control has determined continued operation is acceptable This indicates they may be a problem with the equipment Stop valve not completely open Restriction in refrigerant lines Low r...

Page 26: ...Repair replace if needed 32 E32 HI TEMP CTRL1 This error indicates the equipment is experiencing high temperature faults on the outdoor control board Ambient air conditions too high Cooling bracket sc...

Page 27: ...ol has detected a voltage related issue with the compressor High or low voltage from supply The compressor wire is lost phase Faulty control board Correct low high line voltage condition Contact local...

Page 28: ...n motor Replace if needed B9 Eb9 LOW ID AIRFLOW Estimated airflow from motor is lower than the airflow requirement Failed indoor blower motor Indoor fan motor not properly connected Too much static pr...

Page 29: ...he LED status and the corresponding potential problem Green receive LED Indicates network traffic The table below indicates the LED status and the corresponding potential problem Learn button Used to...

Page 30: ...corresponding Screen within the display itself which allows the user to navigate and use the features Example The Fault Code is accessed and displayed from Screen 0 of the 7 segment display The Fault...

Page 31: ...shows the most recent fault To access hold the RECALL button for 5 seconds at screen 0 To access hold the RECALL button for 5 seconds at screen 1 To access hold the RECALL button To access hold the RE...

Page 32: ...w the user to see the six most recent system faults For a list of the fault codes please see the TROUBLESHOOTING tables in this document 1 SCREEN 0 SCREEN 1 The display will change to SCREEN 1 Display...

Page 33: ...etting Press RECALL Press RECALL Item number Display flickers at 1 second intervals Value MONITORING MODE NAVIGATION SCR This screen allows the user to monitor system variables as shown in the tables...

Page 34: ...tem settings as shown in the tables at the end of this section SCREEN 0 Press RECALL Press RECALL to increase the value Press TEST to change setting Press RECALL Press TEST to complete setting and ret...

Page 35: ...the number Press RECALL Press TEST to change setting Press RECALL Press TEST to complete setting and return to setting mode Press RECALL Press RECALL Press RECALL SCREEN 0 OFF ON Blink interval 0 4 s...

Page 36: ...0 Stop 1 Cooling Start up 2 Heating Start up 3 Oil Return Operation 4 Heating Operation 5 Defrost Operation 6 Cooling Operation 3 Compressor Reduction Mode 0 OFF 1 ON 4 demand unit Cut off the decima...

Page 37: ...15 High cooling or hea ng NOTE Parameters as per factory se ng are highlighted in bold and underlined combina on trimmore there are restric ons on theposi to con rm the r ow Trim restric ons in the la...

Page 38: ...ning of the outdoor coil becomes necessary hire a quali ed servicer Inexperienced people could easily puncture the tubing in the coil Even a small hole in the tubing could eventually cause a large los...

Page 39: ...tdoor Unit Suction Circuit Pressure Suction Line Temperature PSIG TEMP F Liquid Circuit Pressure Liquid Temperature PSIG TEMP F Outdoor Air Temperature Dry bulb Wet bulb DB F WB F SUPERHEAT SUBCOOLING...

Page 40: ...y sensitive Only the data lines 1 and 2 are required between the indoor and outdoor units Data line terminal 1 from outdoor unit must connect to terminal 1 on indoor unit and data line terminal 2 from...

Page 41: ...section Before starting the SYSTEM TEST turn off the electric heater or gas furnace NOTICE Before starting the SYSTEM TEST turn off the electric heater or gas furnace 1 Ensure the thermostat is insta...

Page 42: ...he password is the Date Code located on the thermostat and is available by entering the EQUIPMENT STATUS menu and scrolling to the bottom 6 Select YES to continue 7 From the ComfortNet USER MENU selec...

Page 43: ...to run for its duration 5 15 minutes EQUIP TEST SCREEN will show the system test is ON once selected System test will operate the outdoor unit and the indoor unit through a series of startup tests Pl...

Page 44: ...odes to clear Set Thermostat to CHARGE MODE Please follow the following sequence to enter CHARGE MODE CHARGE mode allows for charging of the system System operates for a duration of approximately one...

Page 45: ...ler password The password is the Date Code located on the thermostat and is available by entering the EQUIPMENT STATUS menu and scrolling to the bottom 4 Select YES to continue 5 Select HEAT PUMP 6 Se...

Page 46: ...mode If charging is not complete after 1 hour repeat 7 and 8 Refer to Adjust Refrigerant Level and Measure Subcooling to Verify Proper Charge for refrigerant charge level adjustment 9 To terminate CH...

Page 47: ...le only for VZC200 1AB and GVZC20 AA or later revision BOOST MODE performance is most effective when paired with an electronic expansion valve enabled indoor unit BOOST MODE is ON by default and is ac...

Page 48: ...48 4 Select YES to continue 5 Select HEAT PUMP 6 Select SYS SETUP...

Page 49: ...turns BOOST MODE OFF or ON BOOST MODE is on by default 8 BOOST TEMP adjusts the activation temperature from 70 F to 105 F Always ON option is also available to permanently engage BOOST MODE Factory de...

Page 50: ...able and disable dehumidification 1 On the CTK04 HOME screen select MENU 2 From the MENU screen scroll down and select Installer Options 3 Enter installer password if known a The password is the therm...

Page 51: ...times Example A leak in the system low refrigerant charge or an incompletely open stop valve can cause the unit to flash error code E15 This error code suggests that the unit is experiencing operatio...

Page 52: ...7 1 2 minutes The motor then steps up to the full demand airflow Profile D has a 1 2 minute at 50 airflow OFF delay OFF OFF Airflow Tables Dehumidification Select Dehumidification requires a thermost...

Page 53: ...g Within the selected range choose the specific maximum compressor RPS for the system configuration Heat Set Up This menu allows for the adjustment of several heating perfor mance variables Heat Airfl...

Page 54: ...nly for AVZC200 AB and GVZC20 AA or later revision ATPRM is shown in AVZC200 AA and GVZC20 AA revision Only for AVZC200 AB and GVZC20 AA or later revision PSD is shown in AVZC200 AA and GVZC20 AA revi...

Page 55: ...55 NOTE BOOST MODE is applicable only for AVZC200 AB and GVZC20 AA or later revision...

Page 56: ...56 https partnerlinkmarketing goodmanmfg com goodman info finder plus...

Page 57: ...57 THIS PAGE IS INTENTIONALLY LEFT BLANK...

Page 58: ...58 THIS PAGE IS INTENTIONALLY LEFT BLANK...

Page 59: ...59 THIS PAGE IS INTENTIONALLY LEFT BLANK...

Page 60: ...and Quebec residents to register their product does not diminish their warranty rights For Product Registration please register as follows Goodman Brand products https www goodmanmfg com product regis...

Reviews: