Service Function - Lochinvar EcoForce EF80 Installation, Commissioning, User And Maintenance Instructions

DESCRIPTION "CASCINFO" Screen 11
Shows the number of water heaters connected with the cascade. The lead water heater is designated as 0. lag water heaters will be
designated 1, 2, 3, 4, 5, 6, 7, 8, 9, A, B. When a "-" is used instead of a number, then that water heater is either not connected, or in a
lockout mode and not available for the cascade. When an "x" is used instead of a number, then that water heater is connected, but in lockout
mode.
When the number is flashing, then that water heater is providing heat to the cascade. When the leading water heater is changed according
to the set priority change time, then that water heater's address will be shown first in the row of numbers.
Example 1: "3 4 5 - - - - - - 0 1 2"
There are six water heaters present and nr. 3 has priority.
Example 2: "3 4 x - - - - - - 0 1 2"
There are six water heaters present and nr. 3 has priority. Water heater 5 is present, but in a lock-out.
SCREEN: 12
C a s c P o w e
D u a l B u r
SCREEN: 13
M a x T h e r m
G e n B l o c
SCREEN: 14
S i p h o n
N R V C o n t
* REMARK at screen 14: No NRV used in this type of Water heater.
12.4.1 Monitor screen display
S F
ERVICE UNCTION
The following describes how to use the service function.
12.5.1 Service function display
r 9 9 9 %
n e r :
k
p r e s s
a c t
Operating screen:
W A T R H T R : S T A N D - B Y
> > > : 1 2 3 . 4 ° C ( 1 2 3 . 4 ° C )
Press [SERVICE] and hold for 3 seconds.
The burner will start and show the display below.
Operating screen:
W A T R H T R : S e r v i c e
> > > 7 5 . 0 ° C
"WATRHTR": It is an appliance for DHW.
"Service": It is operating in service mode.
"26%": The burner is firing at 26%.
"75,0 C": Max. allowable water temp. during service.
o
"60,0 C": Actual measured water temp. (when P5BJ active).
o
Press [SERVICE] to exit. The unit will go to the operating screen. Press 3
s. [ON/OFF] to exit. The unit will be switched off.
By using the [▲] & [▼] buttons the burner firing rate% can be changed.
Press [MENU] to access the main menu.
Press [MENU] to return to the service menu.
Use [◄] & [►] buttons to browse through the monitor screens.
Press [MENU] to go to the operation menu of the service mode.
Press [SERVICE] to exit the service mode.
The unit will return to the standard operation display.
9 9 9 %
% heat demand of total (cascade) power available (%).
N o
One heat exchanger equipped with two burners: "Yes" or "No".
O p e n
Status of the maximum thermostat: "Open" or "Closed".
C l o s e d
Status of the general blocking contact: "Open" or "Closed".
C l o s e d
Status of the siphon pressure switch: "Open" or "Closed".
O p e n
Status of the non-return valve contact: "Open" or "Closed".
( 6 0 . 0 ° C )
2 6 %
56