There are several types of remote systems that can be
used to control or monitor the unit. The following
messages indicate the type of remote control mode
active:
The following messages will appear sequentially, first
for system 1, then for system 2.
The first message indicates the status (ON or OFF) of
each compressor in the system.
The second message indicates the system run time in
days - hours - minutes - seconds.
This is not accumulated run time but only the
current system cycle.
The third indicates the system, and whether the liquid
line solenoid is being commanded on by the
microprocessor.
Message 4 is not used.
On YLAA and YLAE units the fifth message indicates
what stage of condenser fan operation is active. On
YCWL/YCRL units the message is not applicable.
YLAE Single Speed Fans only - System 1 & 2 models
0190SE to 0255SE, 0330SE & 0195HE to 0265HE,
System 1 model 0315SE. Only stages 1 and 2 will be
used to cycle the condenser fans. However, stage 3
may be shown, but it has no effect.
Units with Two Speed Fans
The YLAE two speed fan messages are as follows:
The message on units with 2 fans per system will be:
The message on units with 3 fans per system will be:
The message on units with 4 fans per system will be:
Where the fan status of each fan can be OFF, SLOW or
FAST.
The YLAA two speed fan messages are as follows:
YLAE and YLAA Units
If fan full speed inhibit is in effect when the fans would
otherwise be required to run at full speed themessage
changes to:
1
-
21
Form 201.26.OI1(11/09)
A C T I
V E
R E M O T E
C T R L
N O N E
No remote control active. Remote monitoring may be via ISN.
A C T I
V E
R E M O T E
C T R L
I
S N
YorkTalk via ISN (Remote Mode).
A C T I
V E
R E M O T E
C T R L
L O A D
L I
M
Load limiting enabled. Can be either stage 1 or stage 2 of limiting.
A C T I
V E
R E M O T E
C T R L
P W M
T E M P
EMS-PWM temperature reset.
C O N D E N S E R
P U M P
S T A T U S
I S
O N
S Y S
X
R U N T I M E
X X - X X - X X - X X
D - H - M - S
S Y S
X
C O M P
S T A T U S
1 = O F F
2 = O F F
3 = O N
S Y S
X
L L S V
I S
O N
S Y S
X
F A N
V F D
S I G N A L
X .X
V O L T S
= X X X %
S Y S
X
F A N
S T A G E
2
S Y S
1
1 = X X X X
F A N S
2 = X X X X
S Y S
1
1 = X X X X
2 = X X X X
F A N S
3 = X X X X
S Y S
1
1 = X X X X
F A N S
2 & 3 = X X X X
4 = X X X X
S Y S
X
F A N
S T A G E
Z Z Z Z
ZZZZ = OFF, LO Y or HI Y where Y is 1, 2 3, or 4
S Y S
X
F A N S
S L O W
F A N
S P E E D
I N H I B I T
