Troubleshooting guide
MAGNUM VERSION 8 MANUAL REVISION 3.1
2
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1. Table of Contents
1.
Table of Contents ............................................................................................................................................................ 2
2.
Revision Page ................................................................................................................................................................. 8
3.
Introduction to Magnum V8 Software ........................................................................................................................... 10
3.1.
M
AGNUM
V8
S
OFTWARE
C
ONTROL
P
OINT
C
APACITY
........................................................................................................... 10
3.2.
M
AGNUM
H
ARDWARE
S
UPPORTED BY
M
AGNUM
V8
S
OFTWARE
......................................................................................... 10
3.3.
A
BOUT THIS
M
ANUAL
.............................................................................................................................................................. 11
3.4.
A
BOUT THE
M
AGNUM
.............................................................................................................................................................. 11
3.5.
MCS
485
N
ETWORK
................................................................................................................................................................. 11
3.6.
MCS
E
THERNET
P
ORT
............................................................................................................................................................. 11
3.7.
RS485
N
ETWORK WITH
L
OCAL
RS232
C
OMMUNICATIONS
................................................................................................... 12
3.8.
RS485
N
ETWORK WITH
R
EMOTE
M
ODEM
C
OMMUNICATIONS
.............................................................................................. 13
3.9.
PC
S
UPPORT
S
OFTWARE FOR
M
AGNUM
.................................................................................................................................. 14
3.10.
R
EQUIREMENTS FOR
PC
S
OFTWARE
........................................................................................................................................ 14
4.
Magnum Display Summary .......................................................................................................................................... 15
4.1.
M
AGNUM KEYPAD AND DISPLAY
............................................................................................................................................. 15
Menu Screen .................................................................................................................................................................... 15
4.1.1.
Introduction to Status Screens ........................................................................................................................................ 15
4.1.2.
Unit status ........................................................................................................................................................................ 15
4.1.3.
Unit Tonnage and KW Information ................................................................................................................................ 15
4.1.4.
Purge Status Screen (only if Purge cycles are active) ................................................................................................... 16
4.1.5.
Compressor status ........................................................................................................................................................... 16
4.1.6.
Compressor status (only CENT) ..................................................................................................................................... 16
4.1.7.
EXV status ........................................................................................................................................................................ 16
4.1.8.
4.2.
HVAC
STATUS
D
ISPLAY
(MCS-C
ONNECT
) ........................................................................................................................ 17
4.3.
CENT
S
TATUS
D
ISPLAY
(MCS-C
ONNECT
) ............................................................................................................................ 19
5.
Authorization Function .................................................................................................................................................. 21
6.
Magnum Control States ................................................................................................................................................ 22
6.1.
U
NIT
C
ONTROL
S
TATES
(
NUMBER
) .......................................................................................................................................... 22
UNIT IN POWER UP (0) ................................................................................................................................................ 22
6.1.1.
NO RUN- I/O LOST (2) .................................................................................................................................................. 22
6.1.2.
UNIT IN LOCKOUT (3) ................................................................................................................................................. 22
6.1.3.
UNIT IS OFF (4) ............................................................................................................................................................. 22
6.1.4.
UNIT IS HOLDING (5) .................................................................................................................................................. 22
6.1.5.
UNIT UNLOADING (6) Only HVAC software ............................................................................................................. 23
6.1.6.
UNIT UNLDNG-VANE (6) Only CENT software ......................................................................................................... 23
6.1.7.
UNIT IS LOADING (7) Only HVAC software ............................................................................................................... 23
6.1.8.
UNIT IS LOADNG-VANE (7) Only CENT software ..................................................................................................... 23
6.1.9.
OFF-SMOKE ALARM (8) .............................................................................................................................................. 23
6.1.10.
RUN/STOP SW OFF (9) ................................................................................................................................................. 23
6.1.11.