ESPEC PLATINOUS CHAMBER Series, Option Manual

Page: 83 / 93

Platinous Options Manual
Refrigeration Circuit
5.1.3 Operation
Manual
Turn on Time Signal No. 9 in the constant mode setting in the programmer. The LN2 will stage in as
required.
Programmable
Create a discrete step in your program for the LN2 injection by setting Time Signal No. 10 ON (relay set
No. 10 ON). This step should not exceed 30 minutes. Run the program as normal and the Time Signal will
trigger the LN2 option injection time.
Note:
The injection circuit will only work if Refrigeration is “ON.”
5.1.4 Specifications
Temperature Pull Down Time
•
10 minutes. (In case of Type 2 and 3 chamber, inside temperature at 23°C to 40°C,
ambient temperature at 20°C and non-loaded.)
• 15 minutes for Size 4 chambers.
TABLE 5.1.
REPLACEMENT
P
ARTS FOR
ES-LN
ESPEC NO. SYMBOL DESCRIPTION MFG. NO
6ABZ0005 OCP Board OHP/OCP HCP-T/21160277
6ABU0221 CRHT Relay 24VDC 3A 4PDT w/Diode MY4N-D2
6ABU0027 CRMW Relay 4PDT 3A 120V Coil MY4-120V
6ABG0005 RV401 Relief Valve 150 PSIG 3014-150
6ABZ0006 Selector OHP/OCP 21161318
6ABH0011 SL401, 402 Solenoid Valve 8263G210LT
6ACF0025 TRC Timer Off Delay 120VAC H3YN-4-120VAC
Time
Time
Injection Time
Setpoint
Controlled by Heat
Signal Output