Install Instructions

Page 3
1. Shipment Inspection
Check the contents of this package. Care should be
taken to ensure the pump is NOT dropped or mis-
handled; dropping will damage the pump.
Grundfos MixiMizer Injection Pump Package Includes:
• One Grundfos UP15-42 MixiMizer pump with
integral control or one Grundfos UP43-64
MixiMizer pump with integral control.
• Two Water Temperature Sensors 071 – Pre-wired
into control unit with 6’ of wire.
• One 6’ line cord with 115 V plug, pre-wired into
control unit.
• One Outdoor Air Temperature Sensor 070
• Two flange gaskets
• Installation and Operating Instructions.
• Two cable ties.
2. General
• All minimum and maximum settings are operating,
not safety limits. Necessary auxiliary equipment
and safety devices must be added.
• The boiler return minimum temperature is fixed at
135°F. This function can be disabled by DIP
switch.
• The system supply maximum temperature is fixed
at 140°F. This function can be disabled by DIP
switch.
• External “Call For Heat”/Demand Input: The unit
can accept external “Call For Heat” input signal.
This must be a powered signal (20 to 30 V AC .1
VA). This function can be enabled by DIP switch.
• Warm Weather Shut Down (WWSD): When the
outdoor air temperature is warmer than 70°F (with
±1°F hysteresis), the unit shuts down until the
temperature drops below 70°F.
• Heating curve parallel shift: The heating curve is
shifted up 5°F parallel to the existing curve. This
function can be enabled by the dip switch.