Rheem RP1736HJVXA - Page 135

Heating operation start : Compressor ON
Defrost end
Integrating defrost
Defrost Indicator:
[Operation lamp]
7 sec ON / 2 sec OFF
Defrost start
04-27
RP1736HJVXA
RP1748HJVXA
Normal defrost
Ta >
=
14F(-10 C)
4F(-20 C)
<
=
Ta <14F(-10 C)
Ta >
=
4F(-20 C) Tn
=
21.2F(-6 C)
<
Tn
=
1.4F(-17 C)
° °
Tn
=
0.8xTa-11.6
<
<
or
Tn -18.4F(-28 C)
° °
<
=
Tn
=
0.8xTa-11.6
<
or
Tn -18.4F(-28 C)
° °
<
=
Tn-Tn-1
<
28.4F(-2 C)° °
and Sn=Sn-1
More than 210 minutes
(For continuous operation)
Tn
<
26.6F(-3 C)° °
(and after 30 minutes,
if the Tn
< 26.6F(-3 C)° °
or
Tn
<
23F(-5 C)° °
(and after 3 minutes,
if the Tn
< 23F(-5 C)° °
Integrating defrost
(Integrating OFF count defrost)
Compressor OFF
count : 40 times
(Less than 10 minutes)
Tn : Outdoor condenser coil temperature.
Ta : Outdoor temperature.
Tn-1 : Before 5 minutes detected Tn.
Sn : Number of operation indoor units.
Sn-1 : Before 5 minutes detected Sn.
3 sec. later Compressor : OFF
3 sec. later Outdoor fan motor : OFF
35 sec. later 4-way valve : OFF
41 sec. later Compressor : ON
Outdoor condenser coil temperature : Over 59° F(15°C)
or
Compressor ON time : Maximum 15 minutes