York International ERHQ SERIES Скачать руководство пользователя страница 11 | Manualshive

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157650-UIM-B-1105

Unitary Products Group

11

NOTES

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Содержание ERHQ SERIES

Страница 1: ...oderate injury It is also used to alert against unsafe practices and hazards involving only property dam age INSPECTION As soon as a unit is received it should be inspected for possible dam age during transit If damage is evident the extent of the damage should be noted on the carrier s delivery receipt A separate request for inspection by the carrier s agent should be made in writing See Local Di...

Страница 2: ...or the expected snow accumulation in your area Isolate the unit from rain gutters to avoid any possible wash out of the foundation UNIT PLACEMENT 1 Provide a base in the pre determined location 2 Remove the shipping carton and inspect for possible damage 3 Compressor tie down bolts should remain tightened 4 Position the unit on the base provided NOTE Heat pumps will defrost periodically resulting ...

Страница 3: ...s it is formed As the tubing becomes harder it is more susceptible to kinking and damage 3 Forming Copper a No attempt should be made to bend the suction line in a shorter radius than 12 See Figure 2 4 How to dispose of excess tubing a Tubing may be longer than required Coil excess tubing nearer the indoor coil rather than the outdoor unit b Excess tubing must be coiled horizontally so the flow of...

Страница 4: ... using a wrench on the stationary fitting of the coupling while nut is being tightened Tighten the nut until the coupling bottoms out d Then tighten an additional 1 6 turn to complete the knife edge seal 10 Check for leaks a After the line set connections have been made they should be checked for leaks b If the valves were kept clean and lubricated per instruction no leaks should be found c Use le...

Страница 5: ...drafts from outside doors or supply air grilles 6 Route the 24 volt control wiring NEC Class 2 from the outdoor unit to the indoor unit and thermostat NOTE To eliminate erratic operation seal the hole in the wall at the thermostat with permagum or equivalent to prevent air drafts affecting the operation of in the thermostat NOTE A Start Assist Kit is available and recommended for long line set app...

Страница 6: ...ON General The control maintains proper airflow through the outdoor coil during heating operation by melting frost and ice that may form on the coil Frost may accumulate unevenly in different sections of the coil because of the arrangement of the refrigeration circuit within the coil The control may initiate a defrost cycle even when the coil is not completely cov ered with frost This is normal op...

Страница 7: ...ost cycle is necessary The control will initiate a defrost cycle when the liquid line temperature is below the initiate point for the measured ambient temperature See Figure 10 continuously for 4 1 2 minutes This delay eliminates unnec essary defrost cycles caused by refrigeration surges such as those that occur at the start of a heating cycle The control will initiate a defrost cycle every 6 hour...

Страница 8: ...conds the control will de energize the compressor but not cause a soft lockout condition If the control does not sense a second pressure switch opening before the six hour timer expires the timer and counter will be reset During the soft lockout mode the control will de energize the compres sor and energize the X L output with the appropriate flash code The control will reset the soft lockout cond...

Страница 9: ... The outdoor fan motor is permanently lubricated and does not require periodic oiling 3 If the coil needs to be cleaned it should be washed with Calgon Coilclean mix one part Coilclean to seven parts water Allow solution to remain on coil for 30 minutes before rinsing with clean water Solution should not be permitted to come in contact with painted surfaces 4 Refer to the furnace or air handler in...

Страница 10: ...157650 UIM B 1105 10 Unitary Products Group WIRING DIAGRAM FIGURE 12 Wiring Diagram ...

Страница 11: ...157650 UIM B 1105 Unitary Products Group 11 NOTES ...

Страница 12: ...ct to change without notice Printed in U S A 157650 UIM B 1105 Copyright by York International Corp 2005 All rights reserved Supersedes 157650 UIM A 0905 Unitary 5005 Norman Product York OK Group Drive 73069 ...

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