Haier AU422XIBAA User manual

SERVICE MANUAL
Commercial Air Conditioning
5HP fixed frequency free multi
AU422XIBAA
AS122XABAA
AS122XCBAA AE122XCBAA AB122XCBAA AF122XCBAA
AS142XCBAA AE142XCBAA AB142XCBAA AF142XCBAA
AE212XCBAA AB212XCBAA
ƽFeatures
ƽAuto-check function
ƽAuto –restart function (optional )
ƽGroup control function
ƽWeekly timer (optional)
ƽVariable Control modes
ƽThe total capacity of indoor unit can be more than that of outdoor unit.
ƽWith new environment friendly refrigerant R407C
HAIER GROUP
MANUAL CODE: SYJS-023-03 REV: 2 EDITION: 2005.03

CONTENTS
CONTENTS
Contents
1. Description of products & features
2. Specification
3. Safety precaution
4. Net dimension of indoor and outdoor
5. Installation instructions
6. Parts and functions
7. Remote controller functions
8. Refrigerant diagram
9. Electrical control functions
10. Diagnostic information (trouble shooting)
11. Electrical data
12. Exploded view and parts lists
13. Performance curves
14. Noise level charts
15. Air velocity distribution

1.DESCRIPTION OF PRODUCTS & FEATURES
1.1. Products code explanation
AU 42 2 X I B A A
Climate type: T1 (see table 1)
Design number (A stands for design sequence,fixed frequency type)
Product type: A stands for heat pump type, refrigerant is R22
B stands for heat pump type, refrigerant is R407C
M stands for cool only type, refrigerant is R22
N stands for cool only type, refrigerant is R407C
Appearance character
Product series: X stands for 1 to 2, 1 to 3, 1 to 4
Applicable voltage: 2 stands for 220-240V/50Hz,
4 stands for 220V/60HzˈN stand for 380V/50Hz
Cooling / Heating capacity,42=42000BTU/h
Product type : “B” stands for cassette type, “C” stands for convertible
type, ”D” stands for duct, “S” stands for split type, ”Q” stands for chiller
system, "E" stands for ceiling concealed type, “U” stands for outdoor
unit
Air Conditioner
1.2 Brief Introduction for T1
ǃ
T2
ǃ
T3 working condition
1.3 Operating Range of Air Conditioners
Temp. Mode Rated Maximum Minimum
DB ć27 32 18
Indoor
WB ć19 23 14
DB ć35 43 10
Cooling
Outdoor
WB ć24 26 6
DB ć20 27 15
Indoor
WB ć14.5 --- --
DB ć7 24 -7
Heating
Outdoor
WB ć6 18 ---
Climate type
Type of Air
Conditioner T1 T2 T3
Cooling Only 18 ć~43ć10ć~35ć21ć~52ć
Heat pump -7ć~43ć-7ć~35ć-7ć~52ć
Electricity Heating ~43ć~35ć~52ć

1.4 Product character
1.4.1 Operating individually and operating simultaneously
The unit can realize individual operation which can control one unit running, stop, and adjusting running
mode. Also the unit can operate simultaneously which control multi indoor units at the same time.
1.4.2 Variable quantity of indoor unitIf you want to add or reduce the quantity of indoor units (of course
the match must correspond with the design), it can meet your need at any time. More convenient, more
random.
1.4.3 Universal outdoor unit, multiform indoor unit
We realize universal outdoor unit, and 6 kinds of indoor unit, choose freely according to customer’s favor
and indoor decoration, more stylish and more beautiful
1.4.4 The total capacity of indoor unit can be more than that of outdoor unit.
When all the indoor units are running at the same time, the actual capacity of every indoor unit is
proportional according to outdoor capacity.
1.4.5 Long distribution pipe and high drop
The distance of outdoor and indoor can be max. 40m, and the drop between indoor and outdoor can be
max. up to 25m, consequently, the installation can be more free, and can meet various need of the
customer.
1.4.6 Ceiling concealed type unit be equipped with high efficiency filter, and its high static pressure
can be up to 30Pa, running more silent, making room air more comfortable and more clean.
1.4.7 Auto-check function
The unit can display the malfunction codes on the control board by using advanced auto-check
technology ,convenient for user find and dwell with the abnormal running.
1.4.8 Auto –restart function (optional );
All indoor units have auto-restart function. When the power supply cut off suddenly, the unit will
automatically recover the previous running mode once the power supply is on.
1.4.9 Group control function
1.4.10 Weekly timer (optional)
1.4.11 Variable Control modes
Wired remote control ;
Remote control;
*Group control: a. With remote monitor function; b. Auto changeover function

—— Cooling Heating
BTU/h 42000 48000
W12500 14000
W5600 5600
W6300 6300
W/W 2.30 2.50
10ϋ³×m³/h //
——
——
N, V, Hz
A / A 26.0 / 30.0 26.0 / 30.0
A
A
Model / Manufacture ——
Oil charge and type ——
Type ——
Number ——
Type × Number ——
Speed r/min
Motor output power W
Air-flows (H/M/L) m³/h
Type / Diameter mm
Total area m²
Temp. scope ć
External mm
Package mm
Drainage pipe material, diameter mm
——
——
——
——
W
Noise level H/M/L dB(A)
Weight Net / Shipping kg / kg
Type / Charge kg
No need to recharge m
Recharge g/m
Liquid mm
Gas mm
——
Drop between IU & OU
m
Drop between indoor units m
Piping length m
Total length m
720 CC (RB68AF/T68/Į68TF)
Fuse size (recommended size) 40
İ5
60/-/-
101/121
Piping
Refrigerant R407C / A:2.2 B:2.45
Piping length less than 5 meters in one way
* Long piping length and large drop between the indoor and outdoor unit (which exceeds standard value) will obviously reduce the capacity.
Connecting method Flared
Between I.D &O.D <=15m(Outdoor unit above indoor )
<=10m(Outdoor unit below Indoor )
İ15 (per way)
İ30 (2 ways)
28*2
35
Pipe ĭ6.35
ĭ12.7
Type of 4-way valve DPF-6
Refrigerant control method Capillary tube
Defrosting method Automatic
Material of reduce noise XPE
Crankcase heater power
Dimension
(L×W×H)
948×340×1250
1050×440×1375
/
850±50/720±50/500±50
60 × 2
6000/4000/3000
Heat exchanger TP2M / 9.52x0.35
about 1.17
cooling: 43~60 / heating: 6~7
Running / Max.Running current
Start current (system A / system B) 55.0 / 55.0
Compressor PG420X3CS-4KU1 / TOSHIBA
Rotary (Fix speed)
2
Fan Axial × 2
Dehumidifying capacity
Power cable 3 × 5.0mm2
Power source 1, 220~230, 50
Communication cable 8x(0.75~1.25mm2)
Capacity
Total power input
Max. power input
EER or COP
Item Model AU422XIBAA
Function
Capacity
2. SPECIFICATIONS