Installation Guide

ManualsBrandsROYALTON ManualsAir Conditioners2.5 Ton 14 SEER Residential Split System Electric Heat Pump System with Heat Kit

Page 1 of 11506318-03 Issue 1850

Save these instructions for future reference

INSTALLATION INSTRUCTIONS

4HP14/15 SPLIT SYSTEM HEAT PUMP

(R410A REFRIGERANT)

(P) 506318-03

*P506318-03*

215 Metropolitan Drive

West Columbia, SC 29170

This manual must be left with the homeowner for future reference.

This is a safety alert symbol and should never be ignored. When you see this symbol on labels or in

manuals, be alert to the potential for personal injury or death.

Installation or repairs made by unqualied persons can

result in hazards to you and others. Installation MUST

conform with local building codes and with the National

Electrical Code NFPA 70/ANSI C1-1993 or current

edition and Canadian Electrical Code Part 1 CSA C22.1.

WARNING

Improper installation, adjustment, alteration, service

or maintenance will void the warranty. The qualied

installer or agency must use factory-authorized kits

or accessories when added to this products. Refer to

the individual instructions included with the specic

accessory kit.

CAUTION

These instructions are intended as a general guide and

do not supersede national, state or local codes in any

way.

NOTE

These instructions and warranty are to be given to the

owner or displayed near the indoor air handler unit.

NOTE TO INSTALLING DEALER

Before installing, modifying, or servicing system, main

electrical disconnect switch must be in the OFF position.

There may be more than 1 disconnect switch. Lock out

and tag switch with a suitable warning label. Electrical

shock can cause personal injury or death.

WARNING

Table of Contents

Safety Precautions ......................................................2

Installation ...................................................................2

Electrical Connections .................................................5

Start-Up Procedure......................................................6

Operation .....................................................................7

Homeowner’s Information .........................................10

Summary of content (11 pages)

PAGE 1
INSTALLATION INSTRUCTIONS 4HP14/15 SPLIT SYSTEM HEAT PUMP (R410A REFRIGERANT) This manual must be left with the homeowner for future reference. This is a safety alert symbol and should never be ignored. When you see this symbol on labels or in manuals, be alert to the potential for personal injury or death. Table of Contents NOTE Safety Precautions.......................................................2 Installation....................................................................
PAGE 2
These units are designed for use in residential and light commercial type buildings. Heat Pumps may only be installed with indoor combinations listed in the Air Conditioning, Heating and Refrigeration Institute (AHRI) Directory of Certified Products. Inspect the unit for any damage before installation. If damage is found, notify the transportation company immediately and file a concealed damage claim. Safety Precautions Follow all safety codes. Wear safety glasses and work gloves.
PAGE 3
Liquid Vapor Capacity Connections Dia. Tube Dia. Connections Dia. Tube Dia. -018 3/8” 3/8” 3/4” 3/4” -024 3/8” 3/8” 3/4” 3/4” -030 3/8” 3/8” 3/4” 3/4” -036 3/8” 3/8” 7/8” 7/8” -042 3/8” 3/8” 7/8” 7/8” -048 3/8” 3/8” 7/8” 7/8” -060 3/8” 3/8” 7/8” *1-1/8” * Field supplied 7/8 x 1-1/8 connector required on both ends of vapor tubing. Table 1. Recommended Liquid & Vapor Tube Diameters (in.) Figure 1.
PAGE 4
Before making braze connections, be sure all joints are clean. Before heat is applied for brazing, dry nitrogen should be flowing through the tubing to prevent oxidation and scale formation on the inside of the tubing. 1. Connect the vacuum pump to the center hose of the manifold gauge set, the low-pressure manifold gauge to the vapor service valve and the high pressure manifold gauge to the liquid service valve.
PAGE 5
Control Wiring Electrical Connections The control voltage is 24 VAC. NEC Class I insulated 18 AWG is required for control wiring. For lengths longer than 150 feet, contact your local distributor for technical service. WARNING Ensure the room thermostat is properly installed per instructions shipped with room thermostat. Generally the thermostat should not be exposed to sunlight, drafts or vibration and should not be mounted on exterior walls.
PAGE 6
Start-Up Procedure 1. Check to ensure: • Service valve and gage port caps are installed and tightened. • Voltage supply at unit agrees with nameplate rating. • Field wiring connections are tight and factory wiring has not been disturbed and are tight. • Indoor fan motor is on correct speed tap. Before final adjustment is made to the refrigerant charge, it is imperative that proper indoor airflow be established. Airflow will be higher across a dry coil versus a wet coil.
PAGE 7
Operation The outdoor unit and indoor blower cycle on demand from the room thermostat. When the thermostat blower switch is in the ON position, the indoor blower operates continuously. Emergency Heat Function (Room Thermostat) An emergency heat function is designed into some room thermostats. This feature is applicable when isolation of outdoor unit is required or when auxiliary electric heat is staged by outdoor thermostats.
PAGE 8
During a single demand cycle, the defrost control will lock out the unit after the fifth time that the circuit is interrupted by any pressure switch wired to the control board. In addition, the diagnostic LEDs will indicate a locked-out pressure switch after the fifth occurrence of an open pressure switch. The unit will remain locked out until power to the board is interrupted, then re-established or until the jumper is applied to the TEST pins for 0.5 seconds.
PAGE 9
Figure 4.
PAGE 10
Homeowner’s Information different manufacturers. The information below is typical for most thermostats. Ask your dealer for specific information regarding the model of thermostat installed. WARNING ELECTRICAL SHOCK HAZARD! Temperature Setting Levers Turn OFF electric power to unit before performing any maintenance or removing panels or doors. FAILURE TO DO SO COULD RESULT IN BODILY INJURY OR DEATH.
PAGE 11
Important System Information • • Your system should never be operated without a clean air filter properly installed. Return air and supply air registers should be free from restrictions or obstructions to allow full flow of air. of the air. Clogged condenser coils will lower the efficiency of your unit and could cause damage to the condenser. Periodically, debris should be brushed from the condenser coils.