Daikin WCT Series Operating & Maintenance Manual page 33

Counter-flow centrifugal chillers with two-stage compressors 2200 to 3250 tons (7750 to 11400 kw) series counter-flow with two-stage compressors 4500 to 6400 tons (15830 to 22500 kw)
Table of Contents

Advertisement

Table 12, MODE Setpoint Settings
Description
Unit Enable
Unit Mode
Control Source
Available Modes
Evap Pump
Cond Pump
Hot Gas Bypass
Mode
Hot Gas Control
Point
Max. Comp. ON
Comp 1 Stage
Sequence
Comp 2 Stage
Sequence
OMM WCT
Default
Range
OFF
OFF, ON
COOL
COOL, ICE, HEAT, TEST
LOCAL
LOCAL, BAS, SWITCH
COOL, COOL/ICE, ICE,
COOL
COOL/HEAT, HEAT
Pump #1 Only, Pump #2 Only,
Pump
Auto Lead, #1 Primary, #2
#1 Only
Primary
Pump #1 Only, Pump #2 Only,
Pump
Auto Lead, #1 Primary, #2
#1 Only
Primary
Normal
Off, Water LWT, %RLA
30%
20 to 70%
16
1 to 16
1
1
Centrifugal Chillers
Pass-
word
OFF, everything is off. ON, Evap pump on, comp,
O
cond pump and tower on as required to meet LWT
Selects from MODES in SP4
O
Sets control source
T
Sets modes that can be selected in SP 2
Pump #1 Only, Pump #2 Only, use only these pumps
M
AUTO, balance hours between #1 and #2
#1 Primary, #2 Primary, if primary fails, use other
Pump #1 Only, Pump #2 Only, use only these pumps
M
AUTO, balance hours between #1 and #2
#1 Primary, #2 Primary, if primary fails, use other
T
Sets mode for hot gas operaton
T
LWT or % RLA below which HGBP solenoid is on
D-EOMWC01302-16EN - 33/84
Comments

Advertisement

Table of Contents
loading

Table of Contents