Allied EL090XPSST Информация о подразделении

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Service Literature
The EL072XP (6 ton / 21.1 kW), EL090XP (7.5 ton / 26.4
kW), and EL120XP (10 ton / 35.2 kW) heat pump units
are designed for HFC-410A, light commercial applica-
tions, with a remotely located blower-coil unit or a fur-
nace with an add-on evaporator coil. ELXP model units
are equipped with one dual speed scroll compressor. The
ELXP heat pumps match with the ELXA blower-coil units.
ELXP units are all three-phase.
This manual is divided into sections which discuss the ma-
jor components, refrigerant system, charging procedure,
maintenance and operation sequence.
Information in this manual is intended for qualified service
technicians only. All specifications are subject to change.
Procedures in this manual are presented as recommen-
dations only and do not supersede or replace local or
state codes.
WARNING
Improper installation, adjustment, alteration, service
or maintenance can cause property damage, personal
injury or loss of life. Installation and service must be
performed by a licensed professional HVAC installer or
equivalent, service agency, or the gas supplier.
IMPORTANT
The Clean Air Act of 1990 bans the intentional venting of
refrigerant (CFCs, HCFCs and HFCs) as of July 1, 1992.
Approved methods of recovery, recycling or reclaiming
must be followed. Fines and/or incarceration may be
levied for noncompliance.
WARNING
Electric shock hazard! - Disconnect all power
supplies before servicing.
Replace all parts and panels before
operating.
Failure to do so can result in death or
electrical shock.
WARNING
To prevent serious injury or death:
1. Lock-out/tag-out before performing maintenance.
2. If system power is required (e.g., smoke detector
maintenance), disable power to blower, remove fan
belt where applicable, and ensure all controllers
and thermostats are set to the "OFF" position before
performing maintenance.
3. Always keep hands, hair, clothing, jewelry, tools, etc.
away from moving parts.
UNIT INFORMATION
100068
March 25, 2023
ELXP SERIES HEAT PUMP UNITS
Page 1

Table of Contents

Model Identification.........................................................2
Specifications ................................................................3
Unit Plumbing Parts Arrangement .................................5
I-UNIT COMPONENTS ..................................................6
A-Control Box Components ...........................................6
II- REFRIGERANT SYSTEM .........................................8
A- Lineset ......................................................................8
B-Service Valves ...........................................................9
III-START-UP ................................................................10
IV-CHARGING ............................................................. 11
A-Leak Testing ............................................................. 11
B-Evacuating the System ............................................12
C- Refrigerant Charge ..................................................13
V- SEQUENCE OF OPERATION ................................13
VI- MAINTENANCE ......................................................14
TION .............................................................................15
CAUTION
As with any mechanical equipment, contact with sharp
sheet metal edges can result in personal injury. Take
care while handling this equipment and wear gloves and
protective clothing.
ELXP
7.5 & 10 TON