Graco E-Flo Installation Manual page 34

Setup
Example 2: Tandem system with 4 heated
hoses, one heated tandem block and one
heated dispense valve.
• Hose 1 - To tandem block from pump 1 - circular
electrical connection to Port 1 (C5) of ram 1.
• Hose 2 - To tandem block from pump 2 - circular
electrical connector to Port 1 (C5) of ram 2. **
• Hose 3 - From tandem block - circular electrical
connector to part 2 (C5) of ram 1 or ram 2. *
Ram 2
Tandem system includes:
• Four heated hoses
• One heated tandem block
• One heated valve
F . 33
IG
Note: port 4 is always used for heated pump. Port 5 is
always used for heated platen.
* Requires Heat Extension Cables. See page 81.
** Heat extension cable included in tandem block kit
(25R848).
34
Ram 1
Hose 2
Circular electrical
connection
Square electrical
connection
• Hose 4 - From hose 3 to extend length of hose -
circular electrical connector to Port 3 (C5) of ram 1
or ram 2. *
• Heated Valve - Square electrical connection from
hose 4 to iQ dispense valve (B).
• Heated Tandem Block - Square electrical
connection from hose 1 or hose 2 to heated tandem
block (R). See F
IG
C5 - Port 1
Ram 2
Hose 1
Hose 3 *
.
. 33
C5 - Port 1
C5 - Port 2
C5 - Port 3
Ram 1
Hose 4 *
Circular electrical
connection
333586E