Table of Contents
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INSTALLATION INSTRUCTIONS
R−410A Two−Stage Split System Heat Pumps
These instructions must be read and understood completely before attempting installation.
DANGER, WARNING, CAUTION, and
NOTE
The
signal
words
CAUTION, and NOTE are used to identify levels of
hazard seriousness. The signal word DANGER is
only used on product labels to signify an immediate
hazard. The signal words WARNING, CAUTION,
and NOTE will be used on product labels and
throughout this manual and other manuals that may
apply to the product.
DANGER − Immediate hazards which will result in
severe personal injury or death.
WARNING − Hazards or unsafe practices which
could result in severe personal injury or death.
CAUTION − Hazards or unsafe practices which
may result in minor personal injury or product or
property damage.
NOTE − Used to highlight suggestions which will
result in enhanced installation, reliability, or
operation.
TABLE OF CONTENTS
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CCH9, HCH9, TCH9
CCH6, HCH6, TCH6
Safety Labeling and Signal Words
DANGER,
WARNING,
2
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2
2
7
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9
10
11
15
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16
Specifications subject to change without notice.
Signal Words in Manuals
The signal word WARNING is used throughout this
manual in the following manner:
WARNING
!
The signal word CAUTION is used throughout this
manual in the following manner:
CAUTION
!
Signal Words on Product Labeling
Signal words are used in combination with colors
and/or pictures on product labels.
!
ELECTRICAL SHOCK HAZARD
Failure to follow this warning could result in per-
sonal injury and/or death.
Before installing, modifying, or servicing system,
main electrical disconnect switch must be in the
OFF position. There may be more than 1 discon-
nect switch. Lock out and tag switch with a suit-
able warning label.
CAUTION
!
CUT HAZARD
Failure to follow this caution may result in per-
sonal injury
Sheet metal parts may have sharp edges or burrs.
Use care and wear appropriate protective clothing
and gloves when handling parts.
WARNING
WARNING
428 01 1703 01
6/17/13
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Table of Contents
Related Manuals for Day and Night CCH9
Summary of Contents for Day and Night CCH9
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Page 1: Table Of Contents
INSTALLATION INSTRUCTIONS R−410A Two−Stage Split System Heat Pumps CCH9, HCH9, TCH9 CCH6, HCH6, TCH6 These instructions must be read and understood completely before attempting installation. Safety Labeling and Signal Words DANGER, WARNING, CAUTION, and NOTE Signal Words in Manuals The signal word WARNING is used throughout this... -
Page 2: Safety Considerations
INSTALLATION INSTRUCTIONS R−410A Split System Heat Pumps SAFETY CONSIDERATIONS Figure 1 Connecting Tube Installation NOTE: Avoid contact between tubing and structure Improper installation, adjustment, alteration, service, OUTDOOR WALL INDOOR WALL maintenance, or use can cause explosion, fire, electrical CAULK LIQUID TUBE shock, or other conditions which may cause death, personal injury, or property damage. -
Page 3: Clearance Requirements
INSTALLATION INSTRUCTIONS R−410A Split System Heat Pumps Clearance Requirements CAUTION When installing, allow sufficient space for airflow clearance, UNIT DAMAGE HAZARD wiring, refrigerant piping, and service. Allow 24 in. (610 mm) clearance to service end of unit and 48 in. (1219.2 mm) Failure to follow this caution may result in equipment above unit. - Page 4 INSTALLATION INSTRUCTIONS R−410A Split System Heat Pumps Table 1 − Accessory Usage REQUIRED FOR LOW AMBIENT COOLING APPLICATIONS REQUIRED FOR SEA COAST (16 SEER Product Only) APPLICATIONS (Withing 2 REQUIRED FOR LONG LINE ° ° (Below 55 F / 12.8 APPLICATIONS* miles/3.22km) Accessory...
- Page 5 INSTALLATION INSTRUCTIONS R−410A Split System Heat Pumps Outdoor Unit Connected to Factory Approved CAUTION Indoor Unit These outdoor units are carefully evaluated and listed with UNIT DAMAGE HAZARD specific indoor coils for proper system performance. Failure to follow this caution may result in equipment Install Adapter Tube damage or improper operation.
- Page 6 INSTALLATION INSTRUCTIONS R−410A Split System Heat Pumps 4. Close nitrogen valve and allow system to stand for 1 Route Ground and Power Wires hour. During this time, dry nitrogen will diffuse Remove access panel to gain access to unit wiring. Extend throughout the system absorbing moisture.
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Page 7: Start−Up Procedure
INSTALLATION INSTRUCTIONS R−410A Split System Heat Pumps Compressor Crankcase Heater Airflow Setup with Observer Communicating Furnace or Fan Coil When equipped with a crankcase heater and outdoor ambient is below 40_F (4.4°C), furnish power to heater a When using an Observer Communicating Wall Control and minimum of 24 hr before starting unit. - Page 8 INSTALLATION INSTRUCTIONS R−410A Split System Heat Pumps Replace stem caps after system is opened to Variable Speed Furnace with Figure 12 refrigerant flow. Replace caps finger−tight and tighten Two−Stage Heat Pump (Dual Fuel) with wrench an additional 1/12 turn 3. Close electrical disconnects to energize system. Two-Stage Variable Speed ICP Thermostat...
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Page 9: System Functions & Sequence Of Operation
INSTALLATION INSTRUCTIONS R−410A Split System Heat Pumps Communication and Status Function Lights Unit is factory charged for 15ft (4.57 m) of lineset. Adjust charge by adding or removing 0.6 oz/ft of 3/8 liquid line Green communications (COMM) Light (Only with above or below 15ft (4.57 m) respectively. -
Page 10: Defrost
When defrost time 3 - 5 minutes, the next defrost interval = 90 minutes. On CCH9, HCH9 and TCH9 models − The outdoor fan is an ECM type. The motor control is continuously powered with When defrost time 5 - 7 minutes, the next defrost high voltage. -
Page 11: Troubleshooting
INSTALLATION INSTRUCTIONS R−410A Split System Heat Pumps Forced Defrost TROUBLESHOOTING If the compressor fails to operate with a cooling call, Table 4 On a system with non−communicating (non-Observer) can be used to verify if there is any damage to the control, forced defrost can be initiated by manually shorting compressor windings causing system malfunction. - Page 12 INSTALLATION INSTRUCTIONS R−410A Split System Heat Pumps 6. If LPS or HPS trips 3 consecutive cycles, the unit Compressor Thermal Cutout operation is locked out for 4 hours. If the control senses the compressor voltage after start−up, 7. In the event of a high pressure switch trip or high and is then absent for 10 consecutive seconds while cooling demand exists, the thermal protector is open.
- Page 13 INSTALLATION INSTRUCTIONS R−410A Split System Heat Pumps IMPORTANT Outdoor air thermistor and coil thermistor are MAJOR COMPONENTS factory mounted in the final locations. Check to insure 2-Stage Control thermistors are mounted properly per Fig.8 and Fig.9. The 2−stage control board controls the following functions: —...
- Page 14 INSTALLATION INSTRUCTIONS R−410A Split System Heat Pumps Figure 14 Two−Stage Control Board Specifications subject to change without notice. 428 01 1703 01...
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Page 15: Status Codes
INSTALLATION INSTRUCTIONS R−410A Split System Heat Pumps Table 6 − Status Codes AMBER LED OPERATION FAULT Possible Cause and Action FLASH CODE Standby – no call for unit operation None On solid, no flash Normal operation Low Stage Cool/Heat Operation None 1, pause Normal operation... -
Page 16: R−410A Quick Reference Guide
INSTALLATION INSTRUCTIONS R−410A Split System Heat Pumps R−410A QUICK REFERENCE GUIDE • R−410A refrigerant operates at 50% − 70% higher pressures than R−22. Be sure that servicing equipment and replacement components are designed to operate with R−410A. • R−410A refrigerant cylinders are rose colored. •...