Johnson Controls HIDH018B21S - Page 21

FEATURES
TC-15001-rev.3
1-7
)OH[LELOLW\RI)DFLOLW\'HVLJQ
Ŷ Improvement of Piping Installation
+HLJKWGLIIHUHQFHEHWZHHQWKHRXWGRRUXQLWVDQGLQGRRUXQLWVDQGWKHKHLJKWGLIIHUHQFHEHWZHHQWKHLQGRRU
units are changed as shown below.
Item +HDW3XPS6\VWHP +HDW5HFRYHU\6\VWHP
(
7
1)
+HLJKW'LIIHUHQFH
between Outdoor Units
and Indoor Units
Outdoor Unit
LV+LJKHU
< 295.3ft (90m)
(
7

<IWP
!IWP
< 295.3ft (90m)
+HLJKW'LIIHUHQFHEHWZHHQ,QGRRU8QLWV
<IWP <IWP
127(6
7
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7
 :KHQWKHWRWDOSLSLQJOHQJWKLVRYHUIWPWKHPD[LPXPDGGLWLRQDOUHIULJHUDQWFKDUJHLV
restricted.
7KHWRWDO¿HOGDGGLWLRQDOFKDUJHUHIULJHUDQWSLSHLQGRRUXQLWVKRXOGQRWH[FHHGWKHPD[LPXP
additional refrigerant charge (table below)).
7
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7
, the connectable indoor units number
should be less than the recommended number.
7
 :KHQWKHKHLJKWGLIIHUHQFHLVORQJHUWKDQIWPDQGXSWRIWPWKHUHDUHIROORZLQJ
UHVWULFWLRQVIRUWKHSLSLQJLQVWDOODWLRQ2QO\IRU+HDW3XPS6\VWHP
D 0D[LPXPRXWGRRUWHPSHUDWXUHIRUFRROLQJRSHUDWLRQVKRXOGEHZLWKLQ
o
)'%
o
&'%
E 0D[LPXPFRQQHFWDEOHLQGRRUXQLWVFDSDFLW\UDWLRPXVWEHZLWKLQ
F 5HIHUWR6HFWLRQ³&RUUHFWLRQ)DFWRUIRU&DSDFLW\´IRUWKHFRUUHFWLRQIDFWRUIRUFDSDFLW\DFFRUGLQJ
to piping length of heat pump system (2 Pipes).
When operating the outdoor unit under the high cooling load conditions or in the high outdoor air
WHPSHUDWXUHDSSUR[
o
F (38
o
&RUPRUHWKHFDSDFLW\PD\GHFUHDVHVLJQL¿FDQWO\GXHWRWKH
compressor protection controls compared to the installation condition of height difference below
IWP
G 8VHRIRXWGRRUXQLWIXQFWLRQVHWWLQJLWHP³Q8´3ULRULW\&DSDFLW\0RGHLVSURKLELWHG
e) Contact your distributor or contractor for details of setting.
7
 &RQWDFW\RXUGLVWULEXWRURUFRQWUDFWRUIRUGHWDLOV2QO\IRU+HDW5HFRYHU\6\VWHP
Height Difference of
Indoor Units: 98.4ft (30m)
Piping Length between
Branch from Indoor Unit:
Max. 131.2ft (40m) <98.4ft (30m)>
7
3
Outdoor Units
Max. Piping Length: 32.8ft (10m)
Height Difference: 0.3ft (0.1m)
Height Difference
between Outdoor Units and Indoor Units:
• O.U. is Higher: 164.1ft (50m)
295.3ft (90m)
7
4,
7
5
• O.U. is Lower: 131.2ft (40m)
Piping Length between Outdoor Unit and Indoor Unit:
Max. Piping Length: 541.4ft (165m)
Max. Total Piping Length: 3281.0ft (1000m) <984.3ft (300m)>
7
2,
7
3
Piping Length of First Branch from
Each Indoor Unit:
Max. 295.3ft (90m) <131.2ft (40m)>
7
3
2XWGRRU8QLW&DSDFLW\0%+ 72 96 - 120  168 - 360
0D[$GGLWLRQDO5HIULJHUDQW&KDUJHOEVNJ    138.9 (63)
(
7
5)