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858539-YUM-A-0512

4

Unitary Products Group

or attempted repair may result 
in a fire or explosion.

C. Do not use this appliance if any 

part has been under water. 
Immediately call a qualified 
service technician to inspect 
the appliance and to replace 
any part of the control system 
and any gas control which has 
been under water.

START-UP INSTRUCTIONS 
- HEATING SYSTEM

NOTE:  

See General instructions for

Start-up and Shutdown of
your gas heating system.

1. STOP! Read the safety informa-

tion.

2. Set the thermostat to the lowest 

setting.

3. Make sure all electrical power to 

the equipment is “OFF”.

4. This appliance has a device 

which automatically lights the 
pilot and in turn, lights the burn-
ers.

5. Remove burner access panel 

by removing screws and lifting 
panel out.

6. Push the manual gas switch to 

the “OFF” position.

7. Wait five (5) minutes to clear out 

any gas. If you then smell gas, 
STOP! Follow step A in the 
safety information. If you don't 
smell gas, go to next step.

8. Push the manual gas switch to 

the ON position.

9. Replace the control access 

panel.

10.Turn on all electrical power to 

the appliance.

11. Set the thermostat to the 

desired setting.

12.If the appliance will not operate, 

follow the instruction “To Turn 
OFF Gas To Application” and 
call your service technician or 
gas supplier.

SHUTDOWN INSTRUCTION 
- TO TURN OFF GAS TO 
APPLIANCE

1. Set the thermostat to the lowest 

setting.

2. Turn off all electrical power to the 

appliance if service is to be per-
formed.

3. Remove burner access panel by 

removing screws and lifting 
panel out.

4. Turn the manual gas switch to 

the “OFF” position.

5. Replace the control access 

panel.

SECURE OWNER’S APPROVAL

When the system is functioning
properly, secure the owner’s
approval. Show the owner the loca-
tion of all disconnect switches and
the thermostat. Teach owner how
to start and stop the unit and how
to adjust temperature settings
within the limitations of the system.
Advise owner that the flue exhaust
hood surface and the immediate
area will experience high tempera-
tures during a gas heating cycle.
All unauthorized personnel and
debris must be kept away from this
area.

Should overheating occur,
or the gas supply fail to
shut off, shut off the man-
ual gas valve to the equip-
ment before shutting off
the electrical supply.

Manual

Gas

Switch

ELECTRICAL SHOCK,
FIRE OR EXPLOSION
HAZARD

Failure to follow safety
warnings exactly could
result in dangerous opera-
tion, serious injury, death
or property damage.

Improper servicing could
result in dangerous opera-
tion, serious injury, death
or property damage.

• Before servicing, discon-

nect all electrical power to 
unit.

• When servicing controls, 

label all wires prior to dis-
connecting. Reconnect 
wires correctly.

• Verify proper operation 

after servicing.

!

WARNING

Summary of Contents for SINGLE PACKAGE DUAL FUEL HEAT PUMP

Page 1: ...6 BEFORE CALLING A SERVICE PERSON 6 REPLACEMENT PARTS 6 SOME EFFICIENCY DO S AND DON TS 6 The manufacturer recommends that the User read all sections of this manual and keep the manual for future ref...

Page 2: ...hat s why you can rely on efficient trouble free operation GENERAL INFORMATION HOW YOUR HEAT PUMP WORKS If your hand is wet and you blow on it it feels cool because some of the moisture is evaporating...

Page 3: ...e correct heat capacity of the gas heating section is regulated by the burner orifices and the gas pressure The proper orifices are furnished but the gas pressure reg ulator must be adjusted by the in...

Page 4: ...gas supplier SHUTDOWNINSTRUCTION TO TURN OFF GAS TO APPLIANCE 1 Set the thermostat to the lowest setting 2 Turn off all electrical power to the appliance if service is to be per formed 3 Remove burner...

Page 5: ...e power to the unit is shut off prior to cleaning BURNER At the beginning of each heating season make a visual check of the main burner flame If it is not possi ble to adjust for the proper flame the...

Page 6: ...select a comfortable thermostat setting but keep in mind that mod eration in temperature selection will save energy DO turn on your kitchen exhaust fan when cooking and your bath room exhaust fan whe...

Page 7: ...858539 YUM A 0512 Unitary Products Group 7 ISO 9001 Certified Quality Management System...

Page 8: ...ct to change without notice Printed in U S A 858539 YUM A 0512 Copyright by Unitary Products Group 2012 All rights reserved Supersedes Nothing York International Corporation 5005 York Drive Norman OK...

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